Bridge conditions in Bureau County, Illinois
374 inventoried bridges · 60 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Bureau County has 60 bridges rated poor out of 374 inventoried, a 16.0% share that puts it well above the national rate of about 7%.
- 60 of the 374 bridges in Bureau County, Illinois, are rated in poor condition (16.0%) in the 2025 National Bridge Inventory, as of .
- 141 bridges (37.7%) are rated good and 173 (46.3%) fair.
- The median Bureau County bridge was built in 1981.
- The busiest poor-rated bridge is Il 40 Fap 646 over I-80 (built 1963), carrying about 2,400 vehicles a day.
Good 37.7% · Fair 46.3% · Poor 16.0% of 374 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-80 EB over Spring Creek | 2010 | 12,200 | Good |
| I-80 WB over Spring Creek | 2009 | 12,200 | Fair |
| I-80 EB over Il Railnet | 2010 | 12,200 | Fair |
| I-80 WB over Il Railnet | 2009 | 12,200 | Good |
| I-80 EB over Brush Creek & Tr 352 | 2011 | 11,450 | Fair |
| I-80 WB over Brush Creek & Tr 352 | 2010 | 11,450 | Good |
| I-80 EB over East Bureau Creek | 2011 | 11,450 | Fair |
| I-80 WB over East Bureau Creek | 2010 | 11,450 | Good |
| I-80 EB over Adams Creek | 2011 | 11,450 | Fair |
| I-80 WB over Adams Creek | 2010 | 11,450 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
Every bridge in Bureau County → - all 374, busiest first, each with its own condition record.
All of Illinois: Illinois bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.